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Questions and Answers
What is the value of π (pi) approximately?
What is the value of π (pi) approximately?
- 2.71
- 3.14 (correct)
- 4.20
- 3.00
What is the formula to calculate the area of a circle?
What is the formula to calculate the area of a circle?
- 2πr
- π/r
- 2πr²
- πr² (correct)
What is the sum of interior angles of a triangle?
What is the sum of interior angles of a triangle?
- 90 degrees
- 360 degrees
- 270 degrees
- 180 degrees (correct)
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Study Notes
Geometry Essentials
- The value of π (pi) is approximately 3.14.
- The formula to calculate the area of a circle is A = πr², where A is the area and r is the radius of the circle.
- The sum of interior angles of a triangle is always 180°.
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